Re: [NOT solved] Kernel 2.6.12 + IO-APIC + uhci_hcd = Trouble

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Le Lundi 11 Juillet 2005 22:58, Michel Bouissou a écrit :
>
> Oh no :-(

Well, I give up for tonight :-(

This time I rebooted with the mouse disabled in BIOS, with the usb-handoff 
option, with the scanner unplugged... And it went wrong simply by itself. 
"irq 21: nobody cared!"

The only thing I'm sure about is that there is something either with UP 
IO-APIC support, or with the uhci_hcd module.

When both are combined, as you can see, this is completely unstable. One time 
it works, one time it doesn't.
But if I use a kernel compiled without UP IO-APIC, or if I boot an 
IO-APIC-capable kernel with the "noapic" option, then the problem is gone, 
and it is stable (really, this time).

But of course, I don't have no IO-APIC anymore...

[root@totor etc]# cat /proc/interrupts
           CPU0
  0:     423482          XT-PIC  timer
  1:       1083          XT-PIC  i8042
  2:          0          XT-PIC  cascade
  4:       1106          XT-PIC  serial
  7:       1543          XT-PIC  parport0
 10:       3527          XT-PIC  uhci_hcd:usb3, eth0, eth1, VIA8233
 11:      24934          XT-PIC  ide0, ide1, ide2, ide3, uhci_hcd:usb2, 
ehci_hcd:usb4
 12:      13809          XT-PIC  uhci_hcd:usb1, nvidia
 14:       3245          XT-PIC  ide4
 15:       3254          XT-PIC  ide5
NMI:          0
LOC:     423403
ERR:        270

Cheers.

-- 
Michel Bouissou <[email protected]> OpenPGP ID 0xDDE8AC6E
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